Removing The Cis Unit - Canon MF8580Cdw Service Manual

4
Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure

Removing the CIS Unit

■ Preparation
1) Remove the Right Cover. Refer to page 4-20.
2) Remove the Left Cover. Refer to page 4-17.
3) Remove the ADF Unit + Reader Unit. Refer to page 4-32.
4) Separate the ADF Unit from the Reader Unit. Refer to page 4-35.
5) Remove the Reader Unit Upper Cover Unit. Refer to page 4-47.
■ Procedure
CAUTION:
Be sure to perform "After replacing CIS unit(Refer to page 4-51)" when replacing the
CIS unit, respectively.
1) Pull the Drive Belt [1] to move the CIS Unit [2].
2) Loosen the screw [3] and move the Pulley Holder [4] in the direction of the arrow to remove
the Drive Belt [1].
[1]
[2]
4 Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure
[1] [3] [4]
F-4-96
3) Remove the CIS Unit Mount [1] and remove the flat cable [2].
• 1 guide [3]
CAUTION:
• When assembling/disassembling the copyboard glass, take care not to lose the 2
CIS unit spacers [1].
• When assembling/disassembling the copyboard glass, do not touch the copy reading
area [2] of the CIS unit.
[1]
[3]
[2]
4-49
[2]
[1]
F-4-97
[1]
F-4-98
4-49